A304184 - cp's OEIS frontend

A304184 G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n-1)/2) / A(x) for n>0.

n	a(n)
0	1
1	0
2	0
3	1
4	9
5	117
6	1851
7	34923
8	765933
9	19155084
10	538051164
11	16771165230
12	574424285076
13	21443516818065
14	866521903003641
15	37683366660458208
16	1754777541925339779
17	87115221430910051901
18	4592968693335470802627
19	256294382115032521083411
20	15090698035153332532531074

[1, 0, 0, 1, 9, 117, 1851, 34923, 765933, 19155084, 538051164, 16771165230, 574424285076, 21443516818065, 866521903003641, 37683366660458208, 1754777541925339779, 87115221430910051901, 4592968693335470802627, 256294382115032521083411, 15090698035153332532531074]

cp's OEIS Frontend

A304184 G.f. A(x) satisfies: 0 = [x^n] (1+x)^(n*(n-1)/2) / A(x) for n>0.

Table of values

List of values